Analgesic and antipyretic actions similar to aspirin, no anti-inflammatory properties.
藥理
Acetaminophen is a centrally acting analgesic and antipyretic with minimal anti-inflammatory properties.
藥動學
Bioavailability, Oral: 85% to 98%; Protein binding: 10% to 25%; Metabolism: Liver: extensive; Excretion: Bile - 2.6%, Renal: less than 5% unchanged, Dialyzable: Yes (hemodialysis); Elimination Half Life: adults, 2 to 3 hours, neonates, 4 to 11 hours, Children, 1.5 to 4.2 hours.
禁忌症
Hypersensitivity to acetaminophen or any component of the formulation; severe hepatic impairment or severe active liver disease.
懷孕分類
B, Considered safe in therapeutic dose at any stage of gestation. Fetal liver toxicity, renal disease, and malformations have been reported in cases of contiuous use or high daily dose.
哺乳分類
Safe, however, one case of skin rash occuring in an infant has been reported. Milk/plasma ratios have varied from 0.5-1.42.